"The name 'Moor 'was used by friends, colleagues, children and spouse. It refers to his dark complexion and colouring in the sense of the Moorish people." On Your Marx - Fun Facts, Questions, Answers, Information
He labeled himself 'the Moor'. Moor being a mixture of predominately African and Arab. Perhaps, he was racist against himself because people used labels to describe their heritage. In any manner, his policies were very pro white and black middle class folk uniting with each other against the Capitalist. That is a fact and not at all racist.